Urea Nitrogen, Body Fluid


Sunquest Code:FBUNP  
Epic Code:LAB3463Epic Name:Urea Nitrogen Fluid
Methodology:Bichromatic rate
CPT Code:84520
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Fluid
Optimal Volume:1.25 mL
Minimum\Peds Volume:0.6 mL
Causes for Rejection:Too viscous to sample


Processing and Shipping

Specimen Processing:Aliquot 1.25 mL, 0.6 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (Fairview Range - FRMC, UMMC-East Bank, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank)


Interpretive

Reference Range:No reference ranges have been established. This result should be interpreted in the context of the patient's clinical condition and compared to simultaneous measurement in the patient's blood.
Use:To determine origin of body fluids, i.e., urine vs. other sources.


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